Warm Weather Advisory
Issued by the Natural Hazards Early Warning Centre of the Department of Meteorology  for 22 April 2025

The public are warned that the Heat index, the temperature felt on human body is likely to increase up to ‘Caution level’ at some places in Northern, North-central, North-western, Western, Southern and Eastern provinces and in Ratnapura, Monaragala districts.

The Heat Index Forecast is calculated by using relative humidity and maximum temperature and this is the condition that is felt on your body. This is not the forecast of maximum temperature. It is generated by the Department of Meteorology for the next day period and prepared by using global numerical weather prediction model data.

Effect of the heat index on human body is mentioned in the table below and it is prepared on the advice of the Ministry of Health and Indigenous Medical Services.

ACTION REQUIRED

Job sites: Stay hydrated and takes breaks in the shade as often as possible.
Indoors: Check up on the elderly and the sick.
Vehicles: Never leave children unattended.
Outdoors: Limit strenuous outdoor activities, find shade and stay hydrated. Dress: Wear lightweight and white or light-colored clothing.

Note:
In addition, please refer to advisories issued by the Disaster Preparedness & Response Division, Ministry of Health in this regard as well. For further clarifications please contact 011-7446491.

WEATHER FORECAST FOR 22 APRIL 2025
Issued at 05.30 a.m. on 22 April 2025 by the Department of Meteorology

Misty conditions can be expected at some places in Central, Sabaragamuwa and Uva provinces and in Ampara district during the morning.

Showers or thundershowers may occur in Western province and in Galle, Matara and Puttalam districts in the morning while showers or thundershowers will occur in most parts of the island after 1.00 p.m. Fairly heavy rain fall about 75 mm are likely at some places in Western, Sabaragamuwa, Central Uva, Eastern, Northern and North-central provinces.

The general public is kindly requested to take adequate precautions to minimize damages caused by temporary localized strong winds and lightning during thundershowers.

Warm Weather Advisory
Issued by the Natural Hazards Early Warning Centre of the Department of Meteorology at 3.30 p.m. on 20 April 2025, valid for 21 April 2025.

Please be aware that the Heat index, the temperature felt on human body is likely to increase up to ‘Caution level’ at some places in Northern, North-central, North-western, Western, Southern and Eastern provinces and in Ratnapura, Monaragala districts

The Heat Index Forecast is calculated by using relative humidity and maximum temperature and this is the condition that is felt on your body. This is not the forecast of maximum temperature. It is generated by the Department of Meteorology for the next day period and prepared by using global numerical weather prediction model data.

Effect of the heat index on human body is mentioned in the table below and it has been  prepared on the advice of the Ministry of Health and Indigenous Medical Services.

ACTION REQUIRED

Job sites: Stay hydrated and takes breaks in the shade as often as possible.
Indoors: Check up on the elderly and the sick.
Vehicles: Never leave children unattended.
Outdoors: Limit strenuous outdoor activities, find shade and stay hydrated. Dress: Wear lightweight and white or light-colored clothing.

Note:
In addition, please refer to advisories issued by the Disaster Preparedness & Response Division, Ministry of Health in this regard as well. For further clarifications please contact 011-7446491.